<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片试图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- tab表格区 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="60px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dataFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.goods_id)"
              >编辑</el-button
            >
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
    <!-- 编辑商品的对话框 -->
    <el-dialog
      title="修改商品信息"
      :visible.sync = "editDialogVisible"
      width="50%"
      @close = "editDialogClosed"
    >
    <!-- 表单验证 -->
      <el-form
        :model = "editForm"
        :rules = "editRules"
        ref = "editFormRef"
        label-width="80px"
      >
        <el-form-item label="商品名称" prop="goods_name">
          <el-input v-model="editForm.goods_name" ></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price">
          <el-input
            v-model="editForm.goods_price"
            
          ></el-input>
        </el-form-item>
        <el-form-item label="商品重量" prop="goods_weight">
          <el-input
            v-model="editForm.goods_weight"
            
          ></el-input>
        </el-form-item>
        <el-form-item label="创建时间"  prop="add_time">
          <el-input v-model="editForm.add_time"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editInfoList"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询数据对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
      editDialogVisible: false,
      // 修改的表单数据对象
      editForm: {
      },
      // 修改商品验证规则
      editRules: {
        goods_name: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_price: [
          { required: true, message: "请输入商品价格", trigger: "blur" },
        ],
        goods_weight: [
          { required: true, message: "请输入商品重量", trigger: "blur" },
        ],
        add_time: [
          { required: true, message: "请输入创建时间", trigger: "blur" },
        ],
      },
    };
  },

  created() {
    this.getGoodsList();
  },

  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get(`goods`, {
        params: this.queryInfo,
      });

      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }
      this.$message.success("获取商品列表成功！");
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    // 根据id删除对应的角色信息
    async removeById(id) {
      // 弹框提示
      const confirmResult = await this.$confirm(
        "此操作将永久删除该商品, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消删除，则返回值为字符串 cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }

      const { data: res } = await this.$http.delete(`goods/${id}`);

      if (res.meta.status !== 200) {
        return this.$message.error("删除失败！");
      }
      this.$message.success("删除成功！");
      this.getGoodsList();
    },
    goAddpage() {
      this.$router.push("/goods/add");
    },
    // 展示编辑对话框
    async showEditDialog(goods_id) {
      // console.log(goods_id)
      const { data: res } = await this.$http.get("goods/" + goods_id);

      if (res.meta.status !== 200) {
        return this.$message.error("查询商品信息失败！");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 点击按钮，修改商品信息
    editInfoList(id) {
      this.$refs.editFormRef.validate(async (valid) => {
       // console.log(valid)
       if (!valid) return;
        // 发起修改用户的数据请求
        const { data: res } = await this.$http.put(
          `goods/${id}`
        );
        console.log(id)
        if (res.meta.status !== 200) {
          return this.$message.error("更新失败！");
        }
        this.editDialogVisible = false;
        this.getGoodsList();
        this.$message.success("更新成功！");
        })
    },
  },
};
</script>

<style lang="less" scoped>
</style>